Key things to remember about hCG levels. 1  In 85% of normal pregnancies, the hCG level will double every 48 â 72 hours. 2  As you get further along in pregnancy and the hCG level gets higher, the time it takes to double can increase to about every 96 hours. 3  Caution must be used in making too much of hCG numbers.
Best Answer: A couple of thoughts: - 1) The cigarette lighter doesn't usually work unless the ignition is switched on 2) The plugs on some of the really cheap leads do not make good contact with the car's cigarette lighter socket.Test with a multi-meter. Source(s): Had the same problem with a cheap re-chargeable torch.elevance. Rating Newest Oldest. Best Answer: A couple of thoughts: - 1) The cigarette lighter doesn't usually work unless the ignition is switched on 2) The plugs on some of the really cheap leads do not make good contact with the car's cigarette lighter socket. Test with a multi-meter.
A car cigarette lighter uses 12 volts direct current. Car electrical systems use 12 volts direct current verses the 120 volt alternating current use in most household situatioâ¦ns.